Ludwig, F. L., & Shelar, E. (1978). Site selection for the monitoring of photochemical air pollutants. Environmental Protection Agency, Office of Air and Waste Management, Office of Air Quality Planning and Standards.
Chicago Style (17th ed.) CitationLudwig, F. L., and E. Shelar. Site Selection for the Monitoring of Photochemical Air Pollutants. Research Triangle Park, N.C.: Environmental Protection Agency, Office of Air and Waste Management, Office of Air Quality Planning and Standards, 1978.
MLA (9th ed.) CitationLudwig, F. L., and E. Shelar. Site Selection for the Monitoring of Photochemical Air Pollutants. Environmental Protection Agency, Office of Air and Waste Management, Office of Air Quality Planning and Standards, 1978.
Warning: These citations may not always be 100% accurate.